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General Features I Mini Valves and Rupture Disc Holders
Introduction
Rugged Design for long term performance in the most demanding environmental conditions and services. Seat and Seal materials are available for hot, cold, wet, freezing, dirty sour gas (H2S), carbon dioxide (CO2), amines, corrosion inhibitors, methanol and glycol compounds found in your pipeline and transmission system. Available with Double O-Ring Stem Seal or PTFE packed. Features like Stem Seal below threads and back Seat Design are standard. The Soft Seats are field replaceable. The valve is also available with an Integral Rupture Disc (1,800 psi [124 bar] rated). Rupture Disc Holders are available with or without Rupture Disc.
Material Group AS Material Designation
Material Grade acc. to ASTM
Equivalent UNS-No.
Material No. Short Name Mini Valves Rupture Disc
Holders
Copper Alloys brassCW614N Cuzn39Pb3
Standard Not availableCW617N Cuzn40Pb2
Carbon Steel LF2 LF2 Standard Standard
AusteniticStainless Steel
316 quadruplecertified*
316 S31600 1.4401 X5CrNiMo17-12-2Standard Standard
316L S31603 1.4404 X2CrNiMo17-12-2
Nickel based Alloys
Alloy 400 N04400 2.4360 NiCu30Fe Optional Optional
Alloy C-276 N10276 2.4819 NiMo 16 Cr 15 W Optional Optional
* Quadruple certified means acc. to ASTM and EN: 316 / 316L / 1.4401 / 1.4404
Body Material Options
• bore Size 0.138" (3.5 mm)
• Soft Seated
• Stem Seal- Double O-Ring Design as standard - PTFE Packing is also available – brass Type please contact factory
• Standard Rupture Disc 1,800 psi (124 bar) rated
Sour Gas Service:
Standard Features
Wetted Parts according to a. m. material list are supplied as standard according to NACE MR0175/MR0103 and ISO 15156 (latest issue).
Pressure Test: A shell test at 1.5 times the max. allowable (working) pressure and a seat leakage test are performed acc. to EN 12266-1 – P10, P11 and P12 respectively MSS-SP61 (and complies also with ASME b31.1 and b31.3). As standard AS-Schneider Mini Valves are 100% Pressure Tested!
Oxygen Service:
AS-Schneider offers an option with Reinforced PTFE Packing clea-ned and lubricated for Oxygen Service:
Pressure-Temperature Rating:
Max. 6,092 psi (420 bar) @ 140°F (60°C)Max. 392°F (200°C) @ 1,305 psi (90 bar)
Not every Valve type is available for Oxygen Service!
Certification:
Certified Mill Test Report (CMTR) as Inspection certificate 3.1 acc. to EN 10 204 for valve body material and pressure test available on request.
If you don't find your options in this catalogue, please contact the factory.
Optional Features
Pressure-Temperature Rating (Soft Seat)
Stem Seal Material
Material Temperature
FkM -13°F (-25°C) 392°F (200°C)
FkM (RGD resistant) -40°F (-40°C) 450°F (232°C)
FEPM -4°F (-20°C) 392°F (200°C)
PTFE -67°F (-55°C) 450°F (232°C)
Low Temperature Service down to -55°C (-67°F) – As standard for Valves with PTFE Packing and Soft Seats in PCTFE only.
Temperature Limit for body Material: - Carbon Steel LF2: -51°F (-46°C)- brass: 14°F (-10°C). All other materials are limited by soft goods. Max. allowable (Working) Pressure (PS) for brass Type 3,000 psi (206.8 bar).
Min. Max.
General Features Mini Valves and Rupture Disc Holders AS-Schneider2
Mini Valves
1.38
" (3
5) o
pen
Mini Valves
Features
• bore Size 0.138" (3.5 mm)• Replaceable Valve Seat – POM, optional PCTFE• External Stem Thread – Packing/O-Ring below stem
threads. Stem Threads are protected from process media (non-wetted).
• Stem with Cold Rolled Threads, except brass Type • blow-out Proof Stem• back Seat – Metal to metal secondary stem seal• Lock Pin – Eliminates unauthorized removal of the bonnet• Color Coded Dust Cap for operating thread protection• Type with Integral Rupture Disc optional• Round Handle Aluminium, silver anodized –
Optional Round Handle & T Handle in 316SS• Max. allowable (Working) Pressure (PS):
6,092 psi (420 bar)• Double O-Ring Stem Seal Design:
- Stem Seal – O-Rings in FkM (optional RGD resistant) or FEPM
- 2.5 Turns to fully open or close the valve• PTFE Packing Design:
- Needle Seal – PTFE Packing- Non-rotating Needle- 4 Turns to fully open or close the valve
Mini Valves are manufacturered to the following Codes and Specifications
• ASME b31.1 Power Piping• ASME b31.3 Process Piping• ASME b16.34 Valves – Flanged, Threaded and Welding End• API 598 Valve Inspection and Testing • MSS SP-25 Standard Marking Systems for Valves, Fittings and Flange Unions• MSS SP-99 Instrument Valves• MSS SP-105 Instrument Valves for Code Applications• NACE MR0175 / Petroleum and Natural Gas Industries ...
ISO 15156 (not available for brass valves)
Double O-Ring Stem Seal
2.32
" (5
9) o
pen
PTFE PackingIntegral Rupture Disc
Packing adjustment may be required during the service life of the valve.
Valves that have not been cycled for a period of time may have a higher initial actuation torque.
Componentsbrass Carbon
SteelStainless
Steel Exotic Alloys
Material / Material No.
Bodybrass
LF2 316 / 316L Alloy 400 Alloy C-276
Bonnet 316 / 316L Alloy 400 Alloy C-276
Seat POM or PCTFE
Valve Stem*1 brass 316 / 316L Alloy 400 Alloy C-276
O-Ring*1 FkM or FEPM
Rupture Disc Alloy 625
Hex Plug 316
Needle*2 316 / 316L Alloy 400 Alloy C-276
Packing*2 PTFE
Valve Stem*2 316 / 316L
Gland*2 316
Stem Nut*2 316
Lock Nut*2 316
Set Screw 316
Round Handle Aluminium
Lock Pin A4 (316)
Wetted components listed in bold. *1 Components for O-Ring Head Unit only.*2 Components for Packing Head Unit only.
Mini Valves 3
Mini Valves
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A 5 S – A N 2 S k D – B
A5 Mini Valves
Basic Design
S Straight Pattern L Angle PatternR Straight Pattern + Integral Rupture Disc
Dash
Inlet x Outlet Configuration
A Male x Female C Male x MaleB Female x Female
Inlet and Outlet Thread Sizes
N1 1/8 NPTN2 1/4 NPT
Material
L Carbon Steel LF2 M Alloy 400 UNS N04400 E brass (not for Integral Rupture Disc Design)S 1.4404 / 1.4401 / 316 / 316L H Alloy C-276 UNS N10276
Stem Seal / Packing
k O-Ring FkM A PTFE Packing (for brass Type please contact factory)J O-Ring FkM (RGD resistant)P O-Ring FEPM
Seat Material
D POMk PCTFE
Dash
Options – Specify in alphabetical order (digits first, then letters)
18 Valve with Integral Rupture Disc: Assembled with Standard Rupture Disc 1,800 psi (124 bar) rated– Valve with Integral Rupture Disc: Assembled with Rupture Disc __00 psi rated I __00 psi __ to be specified
B Cleaned and Lubricated for Oxygen ServiceM Wetted Parts with Certified Mill Test Report (CMTR) as 3.1 certificate acc. to EN 10204
Operation Optionsk T Handle – Instead of Round Handle Aluminium W Round Handle SS – Instead of Aluminium
Wetted Parts according to above mentioned material list are supplied according to NACE MR0175/MR0103 and ISO 15156 (latest issue).
Ordering Information
Straight Pattern Angle Pattern Straight Pattern and Integral Rupture Disc
1.38"
(35)
ope
n
0.8
7"
(22)
2.00" (50.8)
1.81
" (4
6) o
pen
1.05"
(26
.6)
1.05" (26.6) 2.00" (50.8)
1.97
" (5
0) o
pen
1.11
" (2
8)
www.as-schneider.com Mini Valves 4
Rupture Disc Holders
Rupture Disc Holders
Features
• Standard Rupture Disc 1,800 psi (124 bar) rated
ComponentsCarbon Steel Stainless Steel Exotic Alloys
Material / Material No.
Body LF2 316 / 316L Alloy 400 Alloy C-276
Rupture Disc Alloy 625
Hex Plug 316
Wetted components listed in bold.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R D H – A N 2 S – A
RDH Rupture Disc Holders
Dash
Inlet x Outlet Configuration
A Male x Female C Male x MaleB Female x Female
Inlet and Outlet Thread Sizes
N2 1/4 NPT
Material
L Carbon Steel LF2 M Alloy 400 UNS N04400S 1.4404 / 1.4401 / 316 / 316L H Alloy C-276 UNS N10276
Dash
Options - Specify in alphabetical order (digits first, then letters)
A Rupture Disc Holder without Rupture Disc18 Assembled with Standard Rupture Disc 1,800 psi (124 bar) rated__ Assembled with Rupture Disc __00 psi rated I __00 psi __ to be specifiedB Cleaned for Oxygen ServiceM Wetted Parts with Certified Mill Test Report (CMTR) as 3.1 certificate acc. to EN 10204
Wetted Parts according to above mentioned material list are supplied according to NACE MR0175/MR0103 and ISO 15156 (latest issue).
Continuous product development may from time to time necessitate changes in the details contained in this catalogue. AS-Schneider reserves the right to make such changes at their discretion and without prior notice. All dimensions shown in this catalogue are approximate and subject to change.
Ordering Information
Male x Female Female x Female Male x Male
1.11
" (2
8)
2.00" (50.8)
AS-SchneiderRupture Disc Holders5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R D H – A N 2 S – A
RDH Rupture Disc Holders
Dash
Inlet x Outlet Configuration
A Male x Female C Male x MaleB Female x Female
Inlet and Outlet Thread Sizes
N2 1/4 NPT
Material
L Carbon Steel LF2 M Alloy 400 UNS N04400S 1.4404 / 1.4401 / 316 / 316L H Alloy C-276 UNS N10276
Dash
Options - Specify in alphabetical order (digits first, then letters)
A Rupture Disc Holder without Rupture Disc18 Assembled with Standard Rupture Disc 1,800 psi (124 bar) rated__ Assembled with Rupture Disc __00 psi rated I __00 psi __ to be specifiedB Cleaned for Oxygen ServiceM Wetted Parts with Certified Mill Test Report (CMTR) as 3.1 certificate acc. to EN 10204
Wetted Parts according to above mentioned material list are supplied according to NACE MR0175/MR0103 and ISO 15156 (latest issue).
Continuous product development may from time to time necessitate changes in the details contained in this catalogue. AS-Schneider reserves the right to make such changes at their discretion and without prior notice. All dimensions shown in this catalogue are approximate and subject to change.
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Double Block & Bleed Valves
AS-4303-EN I March 2018
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